Package org.kie.runtime

Examples of org.kie.runtime.StatefulKnowledgeSession.retract()

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                         stilton );
        final ObjectUpdatedEvent ome = (ObjectUpdatedEvent) wmList.get( 1 );
        assertSame( stiltonHandle,
                    ome.getFactHandle() );

        ksession.retract( stiltonHandle );
        final ObjectDeletedEvent ore = (ObjectDeletedEvent) wmList.get( 2 );
        assertSame( stiltonHandle,
                    ore.getFactHandle() );

        ksession.insert( cheddar );
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        assertSame( stiltonHandle,
                    ome.getFactHandle() );
        assertEquals( cheddar, ome.getObject() );
        assertEquals( stilton, ome.getOldObject()  );

        wm.retract( stiltonHandle );
        final ObjectDeletedEvent ore = (ObjectDeletedEvent) wmList.get( 2 );
        assertSame( stiltonHandle,
                    ore.getFactHandle() );

        final FactHandle cheddarHandle = wm.insert( cheddar );
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        for ( int i = 0; i < length; i++) {
            FactHandle handle = handles.get( i );        
           
            // now retract with disconnected facthandle
            handle = new DefaultFactHandle(((DefaultFactHandle)handle).toExternalForm());
            ksession.retract( handle );
            assertEquals( length - i -1, ksession.getObjects().size() );
            assertEquals( length - i -1, ksession.getFactHandles().size() );           
        }       
       
        assertEquals( 0, ksession.getObjects().size() );
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        for ( int i = 0; i < length; i++) {
            FactHandle handle = handles.get( i );        
           
            // now retract with disconnected facthandle
            handle = new DefaultFactHandle(((DefaultFactHandle)handle).toExternalForm());
            ksession.retract( handle );
            assertEquals( length - i -1, ksession.getObjects().size() );
            assertEquals( length - i -1, ksession.getFactHandles().size() );           
        }       
       
        assertEquals( 0, ksession.getObjects().size() );
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//        assertSame( cheddarHandle,
//                    createdEvent.getActivation().getFactHandles().toArray()[0] );
//        agendaList.clear();

        // retract results in a ActivationCancelledEvent, note the object is not resolveable now as it no longer exists
        ksession.retract( cheddarHandle );
        assertEquals( 1,
                      agendaList.size() );
        cancelledEvent = (MatchCancelledEvent) agendaList.get( 0 );
        assertNull( ((InternalFactHandle) cancelledEvent.getMatch().getFactHandles().toArray()[0]).getObject() );
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        ksession.update( stiltonHandle,
                         stilton );
        assertTrue( wmList.isEmpty() );

        ksession.retract( stiltonHandle );
        assertTrue( wmList.isEmpty() );

        ksession.insert( cheddar );
        assertTrue( wmList.isEmpty() );
    }
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        }  
       
        ksession.update( f1, "s1" );
        assertNotNull( ksession.getObject( f1 ) );
        ksession.retract( f1 );
       
        ksession.retract( f1 );
        assertNull( ksession.getObject( f1 ) );
    }
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        ksession.update( f1, "s1" );
        assertNotNull( ksession.getObject( f1 ) );
        ksession.retract( f1 );
       
        ksession.retract( f1 );
        assertNull( ksession.getObject( f1 ) );
    }

    private static class ReentrantAction implements WorkingMemoryAction {
        // I am using AtomicInteger just as an int wrapper... nothing to do with concurrency here
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